Nonsingular Cosmologies from Branes

Details Nonsingular Cosmologies from Branes Nonsingular Cosmologies from Branes

2003-01-20

arxiv.org/abs/hep-th/0301144v3

Int.J.Mod.Phys.A19:557-574,2004

Physics

High Energy Physics

High Energy Physics - Theory

20 pages, 6 figures, Latex, references added. Journal version

Scientific paper

10.1142/S0217751X04017513

We analyse possible cosmological scenarios on a brane where the brane acts as a dynamical boundary of various black holes with anti-de Sitter or de Sitter asymptotics. In many cases, the brane is found to describe completely non-singular universe. In some cases, quantum gravity era of the brane-universe can also be avoided by properly tuning bulk parameters. We further discuss the creation of a brane-universe by studying its wave function. This is done by employing Wheeler-De Witt equation in the mini superspace formalism.

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